class BaseModel{
    //data要对象类型，message要字符串类型
    constructor(data,message){
        if(typeof data==='string'){
            this.message=data;
            data=null;
            message=null;
        }
        if(data){
            this.data=data;
        }
        if(message){
            this.message=message;
        }
    }
}

class SuccessModel extends BaseModel{
    constructor(data,message){
        super(data,message)
        this.errno=0;
    }
}

class ErrorModel extends BaseModel{
    constructor(data,message){
        super(data,message)
        this.errno=-1
    }
}

module.exports={
    SuccessModel,
    ErrorModel
}